Ellievan Creveld syndrome (ECS) can produce polydactyly in humans and is more frequenty observed in Amiah communities. A fictional screening for tha recestive. autosomal alleles across communities suggests a greater number of people shoud have this condition than is actually observed. Kniowing nething else stiout the disease phenotype, What best explains this discrepancy? Select all that apply ECS expression is sex-limited This discrepancy cannot be explained ECS expression depends on emvironmental factors ECS expression has incomplete penetrance ECS expression is hypostatic QUESTION 14 True or False: Hypostatic genes mask the eflects of epistatic gene expression True False .